The SM Higgs-boson production in gamma gamma -> h -> bb at the Photon Collider at TESLA

Details The SM Higgs-boson production in gamma gamma -> h -> bb at the Photon Collider at TESLA The SM Higgs-boson production in gamma gamma -> h -> bb at the Photon Collider at TESLA

2002-08-26

arxiv.org/abs/hep-ph/0208234v2

Acta Phys.Polon. B34 (2003) 177-188

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 7 figures; minor changes, references added; submitted to ICHEP'2002

Scientific paper

Measuring the Gamma(h -> gamma gamma)Br(h -> bb) decay at the photon collider at TESLA is studied for a Standard Model Higgs boson of mass m_h = 120 GeV. The main background due to the process gamma gamma -> QQ(g), where Q = b,c, is estimated using the NLO QCD program (G. Jikia); the results obtained are compared with the corresponding LO estimate. Using a realistic luminosity spectrum and performing a detector simulation with the SIMDET program, we find that the Gamma(h -> gamma gamma)Br(h -> bb) decay can be measured with an accuracy better than 2% after one year of photon collider running.

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